Respected sir/madam, we would like to inform you that we are sole distributors for Geratherm Respiratory Gmbh for the respiratory instruments such as spirometry, PFT, Diffustik etc. products in India.Please go on company site www.geratherm-respiratory.comor contact to following persons for further details.RegardsSalaxmi distributorsParesh Shinde(m): 9822194639 Contact person:Mr. Shaikh Zubair(m):9766936713